GAO FiberOptics Inc.    Toronto   Canada
Mar 24, 2011 Integrating functionality of both attenuator and optical power meter in one unit, Model 5501 provides measurement range of 2.5-65 dB and attenuating wavelength from 1,260-1,650 nm at accuracy of ±0.8 dB. Calibrated wavelengths include 1,310, 1,490, 1,550, and 1,625 nm. Equipped with LCD screen, handheld unit displays wavelength, input and output power, current attenuation, and selected step size and absolute/relative attenuation value simultaneously.

Dicon Fiberoptics Inc.    Richmond, CA 94804
May 12, 2010 Fiber optic attenuator module can automate optical switches and fiber optic attenuators with complete plug-and-play modularity and control options. Product can be used with single mode fiber and can support up to 8 optical attenuators in single 1-wide GP750 module. Max attenuation level can be specified up to 40 dB of attenuation, and can also be specified for narrowband or broadband use in 1,290-1,330 nm, 1,530-1,570 nm and/or 1,570-1,610nm wavelength ranges.

GAO FiberOptics Inc.    Toronto   Canada
Dec 16, 2009 Rugged model A0610001 displays attenuation values in either dB or dBm and available calibrated wavelengths include 1,310, 1,490, 1,550, and 1,625 nm. Supporting operating time of 40 hr when fully charged, device features auto-off function and restores attenuating value automatically. It is designed for on-line testing and maintenance of fiber optic systems as well as digital communication system devices such as PHD or SDH, or systems using analog modulation such as CATV.

GAO FiberOptics Inc.    Toronto   Canada
Oct 14, 2009 Operating at wavelengths from 1,290-1,625 Nm and temperature range of -5 to 75°C, manual variable optical attenuator is designed for optical power control and equalization of WDM systems, FTTx, OADM ,OXC, CATV, and measurement instruments. It features insertion loss of less than 1.5 dB, return loss of over 55 dB, and polarization dependent loss of less than 0.2 dB. Maximum handling power is 300 mW and attenuation level ranges from 10-45 dB.

GAO Tek Inc.    Toronto M1B2K4  Canada
Sep 01, 2009 Offering attenuation levels of 0-25 dB at 0.5 dB intervals, plug-in fixed attenuator provides high stability, low insertion loss, and works at wavelengths from 1,260-1,620 Nm with maximum handling power of 1 W. Device is suited for use in telecom networks, optical fiber CATV, measuring instruments, local area networks, and optical fiber sensors. Optimized for doped fiber technology, units are available with different connector types and end face configurations.

GAO Embedded Inc.    Toronto 12345  Canada
Jun 24, 2009 Featuring low insertion loss, high return loss and low PDL, PC board mountable variable optical attenuator is used for power control and equalization for WDMs, FTTx, CATV, OADM and measurement instruments. With operating wavelength between 1,290-1,625 nm, unit has maximum handling power of 1 W, and attenuation level from 10-45 dB at intervals of 0.5 dB. Manual attenuator is suited for fiber optic systems.

JDSU    San Jose, CA 95131
Sep 24, 2007 Designed for MAP Multiple Application Platform, Variable Optical Attenuator features transition speed up to 25 dB/sec and ultralow insertion loss of less than 1.0 dB. Optional built-in power monitor provides closed-loop power control while high-power option is rated up to +33 dBm for single-mode fiber and +27 dBm for multi-mode fiber.

Omron Electronics, LLC    Schaumburg, IL 60173
Aug 20, 2003 The 2 x 2 and 1 x 8 Fiber Optic Switching Devices come in small MEMS-scale package and consume 100 mW. Variable optical attenuator with indicator incorporates ultra-miniature actuator technology, while 4-channel multiplexer/demultiplexer unifies optical elements into single unit. Twelve channel multimode interconnect is also available. Devices are suited for access area applications where fiber optic cables deliver communication access to homes and businesses.